An object containing the selected indices of a matrix.
Slots
x
Vector of selected indices from a matrix of `dim = buffer*2+1`.
buffer
Integer indicating the buffer size, or number of pixels around a matrix.
Examples
selectCenterPixel(0, 5)
#> '0' = selected; '-' = unselected
#>
#> - - - - - - - - - - -
#> - - - - - - - - - - -
#> - - - - - - - - - - -
#> - - - - - - - - - - -
#> - - - - - - - - - - -
#> - - - - - 0 - - - - -
#> - - - - - - - - - - -
#> - - - - - - - - - - -
#> - - - - - - - - - - -
#> - - - - - - - - - - -
#> - - - - - - - - - - -